revert code

Author: liuhaoXD

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/util/Colors.java

@@ -21,7 +21,7 @@ public static class Theme
         private Color defaultForeground = Colors.BLACK;
         private Color defaultBackground = Colors.WHITE;
         private Color chipBackground = Colors.WHITE;
-        private Color warningBackground = getColor(0xFE, 0xDF, 0x6B); // #FEDF6B
+        private Color warningBackground = getColor(254, 223, 107); // FEDF6B
         private Color redBackground = Colors.RED;
         private Color greenBackground = Colors.GREEN;
         private Color redForeground = Colors.DARK_RED;
@@ -30,7 +30,7 @@ public static class Theme
         private Color positiveForeground = greenForeground;
         private Color negateiveForeground = redForeground;
 
-        private Color grayForeground = getColor(0x70, 0x70, 0x70); // #707070
+        private Color grayForeground = getColor(112, 112, 112); // 707070
         private Color hyperlink = Display.getDefault().getSystemColor(SWT.COLOR_LINK_FOREGROUND);
 
         public Color defaultForeground()